Re: help with Borland build break

From: David Abrahams (dave_at_[hidden])
Date: 2004-03-08 18:45:16

"Eric Niebler" <eric_at_[hidden]> writes:

> David Abrahams wrote:
>> 
>> You can detect at compile-time whether a call will yield an lvalue by
>> checking to see whether the restult can bind to a T& argument, where
>> T is a template parameter. See boost/iterator/is_lvalue_iterator.hpp.
>> 
>
> I'm getting around to fixing the min/max lvalue return problem. Looks 
> like I'll need the BOOST_NO_LVALUE_RETURN_DETECTION macro, which is 
> currently defined in boost/iterator/detail/config_def.hpp. Any 
> particular reason why this was put here and not in
> boost/config.hpp? 

Only because it was only being used by
boost/iterator/is_lvalue_iterator.hpp.

> Anybody opposed to my moving it there?

If you move it to config.hpp, I think the rule is that you have to
document it. And you have to ask on the boost developer list ;-)

> Also, Dave I'd like to move any_conversion_eater.hpp into boost/detail 
> so I can use it from boost/minmax.hpp. Any objection? 

No.

> Can somebody 
> familiar with CVS tell me how to move a file while preserving its 
> revision history?

I wouldn't worry about it in this case. It's complicated unless you
have access to the server; you have to get the SF folks to do it for
you.

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com